{"id":4981,"date":"2020-05-04T14:34:33","date_gmt":"2020-05-04T14:34:33","guid":{"rendered":"http:\/\/blog.infraspeak.com\/?p=4981"},"modified":"2026-04-02T18:41:07","modified_gmt":"2026-04-02T18:41:07","slug":"nfc-e-as-potencialidades-da-tecnologia","status":"publish","type":"post","link":"https:\/\/blog.infraspeak.com\/pt-pt\/nfc-e-as-potencialidades-da-tecnologia\/","title":{"rendered":"NFC e as potencialidades da tecnologia"},"content":{"rendered":"<div id=\"bsf_rt_marker\"><\/div><p><span style=\"font-weight: 400;\">O NFC \u2013 <\/span><i><span style=\"font-weight: 400;\">near field communication<\/span><\/i><span style=\"font-weight: 400;\"> \u2013 \u00e9 um tipo de comunica\u00e7\u00e3o por radiofrequ\u00eancia, \u00e0 semelhan\u00e7a do RFID, e que tem variadas aplica\u00e7\u00f5es, algumas delas fazendo at\u00e9 parte do nosso dia a dia sem que o saibamos.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Para percebermos melhor o que \u00e9 o NFC, no entanto, \u00e9 melhor come\u00e7armos por compreender o que \u00e9 o RFID. De forma sucinta, o RFID (Radio-Frequency Identification) \u00e9 um modo de <\/span><a href=\"http:\/\/www.mobility.pt\"><b>identificar itens<\/b><\/a><span style=\"font-weight: 400;\"> de forma \u00fanica usando radiofrequ\u00eancias, sendo necess\u00e1rios 3 elementos: um chip (tag), uma antena e um leitor.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">O leitor envia um sinal para o chip (tag) atrav\u00e9s da antena, e a tag \u201cresponde\u201d com a sua identifica\u00e7\u00e3o \u00fanica. Esta tag pode na verdade ser quase qualquer tipo de produto: uma etiqueta adesiva, um disco de aparafusar, um porta-chaves, um cart\u00e3o, uma credencial de identifica\u00e7\u00e3o, uma pulseira, uma etiqueta cosida numa pe\u00e7a de roupa, entre diversas outras possibilidades. O RFID pode operar em diversas frequ\u00eancias, como por exemplo: 125kHz (LF), 13,56MHz (HF), ou 433MHz (UHF).<\/span><\/p>\n<p>Esta diversidade de formatos e a identifica\u00e7\u00e3o \u00fanica proporcionada pelo RFID fazem com que a tecnologia possa ser utilizada em conjunto com <a href=\"https:\/\/infraspeak.com\/pt-pt\/plataforma\/software-gestao-compliance\">software gest\u00e3o de compliance<\/a> para garantir o cumprimento de regulamenta\u00e7\u00f5es e normas de rastreabilidade.<\/p>\n<p><span style=\"font-weight: 400;\">O NFC opera na frequ\u00eancia 13,56MHz, que \u00e9 a mesma frequ\u00eancia do HF RFID (High Frequency RFID), e caracteriza-se por ser especificamente uma <\/span><b>comunica\u00e7\u00e3o de curta dist\u00e2ncia<\/b><span style=\"font-weight: 400;\">, cuja leitura \u00e9 feita a poucos cent\u00edmetros ou at\u00e9 menos de 1 cent\u00edmetro do leitor. Esta caracter\u00edstica faz com que o NFC se tenha tornado numa escolha popular no que refere a <\/span><a href=\"https:\/\/www.mobility.pt\/pt\/solucoes\/controlo-acessos.html\"><span style=\"font-weight: 400;\">solu\u00e7\u00f5es seguras para comunica\u00e7\u00e3o<\/span><\/a><span style=\"font-weight: 400;\"> entre dispositivos, como \u00e9 o caso dos <\/span><i><span style=\"font-weight: 400;\">smartphones<\/span><\/i><span style=\"font-weight: 400;\">.<\/span><\/p>\n<h2>As vantagens da tecnologia NFC<\/h2>\n<p><span style=\"font-weight: 400;\">Algo que distingue o NFC dos t\u00edpicos aparelhos RFID \u00e9 que um dispositivo NFC \u00e9 capaz de agir tanto como um leitor ou como uma tag, permitindo tanto a comunica\u00e7\u00e3o <\/span><i><span style=\"font-weight: 400;\">peer-to-peer<\/span><\/i><span style=\"font-weight: 400;\"> como a leitura de tags NFC, tornando-o numa solu\u00e7\u00e3o muito usada, por exemplo, para pagamentos <\/span><i><span style=\"font-weight: 400;\">contactless <\/span><\/i><span style=\"font-weight: 400;\">(como \u00e9 o caso da Apple Pay e Google Pay).<\/span><\/p>\n<p><span style=\"font-weight: 400;\">A sua principal vantagem \u00e9, portanto, essa capacidade de partilhar informa\u00e7\u00e3o e dados apenas numa curta dist\u00e2ncia e de forma segura, bem como a unicidade de cada chip. Para al\u00e9m disso, o NFC \u00e9 extremamente vers\u00e1til, podendo ser aplicado numa <\/span><a href=\"https:\/\/blog.infraspeak.com\/pt-pt\/desafios-manutencao-especialistas-pt\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">multitude de ind\u00fastrias<\/span><\/a><span style=\"font-weight: 400;\">, e \u00e9 bastante simples de utilizar, sendo apenas necess\u00e1ria uma tag com um chip NFC e um leitor.<\/span><\/p>\n<p>Esta versatilidade torna o NFC particularmente \u00fatil quando integrado com <a href=\"https:\/\/infraspeak.com\/pt-pt\/solucoes\/field-service-management-software\">software field service management<\/a> para melhorar a efici\u00eancia das opera\u00e7\u00f5es de campo e manuten\u00e7\u00e3o, aproveitando a simplicidade de utiliza\u00e7\u00e3o da tecnologia.<\/p>\n<h2>A aplicabilidade da tecnologia NFC em diferentes mercados<\/h2>\n<p><span style=\"font-weight: 400;\">Gra\u00e7as \u00e0s suas caracter\u00edsticas, a tecnologia NFC pode ser aplicada de variadas maneiras em diferentes mercados e ind\u00fastrias, algumas das quais se listam de seguida:<\/span><\/p>\n<p><span style=\"font-weight: 400;\">&#8211; <\/span><b>Solu\u00e7\u00f5es empresariais e industriais<\/b><span style=\"font-weight: 400;\">, como <\/span><a href=\"https:\/\/infraspeak.com\/facility-management\/\"><span style=\"font-weight: 400;\">gest\u00e3o e manuten\u00e7\u00e3o de ativos\/sistemas\/<\/span><i><span style=\"font-weight: 400;\">facilities<\/span><\/i><span style=\"font-weight: 400;\">,<\/span><\/a><span style=\"font-weight: 400;\"> solu\u00e7\u00f5es de pagamento, bilh\u00e9tica, identifica\u00e7\u00e3o de pessoas e controlo de acessos;<\/span><\/p>\n<p><span style=\"font-weight: 400;\">&#8211; <\/span><b>Marketing e fins promocionais<\/b><span style=\"font-weight: 400;\">, como ativa\u00e7\u00f5es de marca, publicidade interativa (<\/span><i><span style=\"font-weight: 400;\">smart posters<\/span><\/i><span style=\"font-weight: 400;\">), fideliza\u00e7\u00e3o de clientes e garantia de autenticidade do produto; e ainda<\/span><\/p>\n<p><span style=\"font-weight: 400;\">&#8211; <\/span><b>Usos quotidianos<\/b><span style=\"font-weight: 400;\">, como por exemplo a programa\u00e7\u00e3o de tags NFC para realizar a\u00e7\u00f5es no <\/span><i><span style=\"font-weight: 400;\">smartphone <\/span><\/i><span style=\"font-weight: 400;\">como ligar\/desligar o bluetooth ou Wi-Fi, ativar o modo de sil\u00eancio, entre outras possibilidades.<\/span><\/p>\n<h2>Tipos de chips NFC e usos recomendados<\/h2>\n<p><span style=\"font-weight: 400;\">Diferentes <\/span><a href=\"http:\/\/www.nfc.pt\"><span style=\"font-weight: 400;\">tipos de chip NFC<\/span><\/a><span style=\"font-weight: 400;\"> possuem diferentes mem\u00f3rias e caracter\u00edsticas, o que por sua vez afeta a quantidade de informa\u00e7\u00e3o que se pode guardar em cada um deles, bem como a aplicabilidade do chip. Nas seguintes tabelas s\u00e3o listadas as principais diferen\u00e7as t\u00e9cnicas entre os chips mais populares, bem como os usos a que estes se adequam.<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"http:\/\/www.nfc.pt\"><b>Chips NXP NTAG\u00ae<\/b><\/a><b> (ISO 14443-A)<\/b><\/p>\n<p><a href=\"http:\/\/blog.infraspeak.com\/wp-content\/uploads\/2020\/05\/Tabela-1.jpg\"><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter size-large wp-image-4983\" src=\"http:\/\/blog.infraspeak.com\/wp-content\/uploads\/2020\/05\/Tabela-1-1024x593.jpg\" alt=\"\" width=\"640\" height=\"371\" srcset=\"https:\/\/blog.infraspeak.com\/wp-content\/uploads\/2020\/05\/Tabela-1-1024x593.jpg 1024w, https:\/\/blog.infraspeak.com\/wp-content\/uploads\/2020\/05\/Tabela-1-300x174.jpg 300w, https:\/\/blog.infraspeak.com\/wp-content\/uploads\/2020\/05\/Tabela-1-768x445.jpg 768w, https:\/\/blog.infraspeak.com\/wp-content\/uploads\/2020\/05\/Tabela-1.jpg 1216w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/a><\/p>\n<p><a href=\"http:\/\/www.nfc.pt\"><b>Chips NXP ICODE\u00ae SLIX<\/b><\/a><b> (ISO 15693, ISO 18000-3)<\/b><\/p>\n<p>Independentemente do tipo de chip escolhido, a tecnologia NFC pode ser integrada com <a href=\"https:\/\/infraspeak.com\/pt-pt\/solucoes\/software-cmms\">software CMMS<\/a> para otimizar processos de manuten\u00e7\u00e3o e gest\u00e3o de equipamentos, aproveitando as caracter\u00edsticas espec\u00edficas de cada chip para diferentes aplica\u00e7\u00f5es.<\/p>\n<p><a href=\"http:\/\/blog.infraspeak.com\/wp-content\/uploads\/2020\/05\/Tabela-2.jpg\"><img decoding=\"async\" class=\"aligncenter size-large wp-image-4988\" src=\"http:\/\/blog.infraspeak.com\/wp-content\/uploads\/2020\/05\/Tabela-2-1024x332.jpg\" alt=\"\" width=\"640\" height=\"208\" srcset=\"https:\/\/blog.infraspeak.com\/wp-content\/uploads\/2020\/05\/Tabela-2-1024x332.jpg 1024w, https:\/\/blog.infraspeak.com\/wp-content\/uploads\/2020\/05\/Tabela-2-300x97.jpg 300w, https:\/\/blog.infraspeak.com\/wp-content\/uploads\/2020\/05\/Tabela-2-768x249.jpg 768w, https:\/\/blog.infraspeak.com\/wp-content\/uploads\/2020\/05\/Tabela-2.jpg 1216w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0<\/span><\/p>\n<p><a href=\"http:\/\/www.nfc.pt\"><b>Chips NXP MIFARE\u00ae<\/b><\/a><b> (ISO 14443-A)<\/b><\/p>\n<p><a href=\"http:\/\/blog.infraspeak.com\/wp-content\/uploads\/2020\/05\/Tabela-3.jpg\"><img decoding=\"async\" class=\"aligncenter size-large wp-image-4992\" src=\"http:\/\/blog.infraspeak.com\/wp-content\/uploads\/2020\/05\/Tabela-3-1024x461.jpg\" alt=\"\" width=\"640\" height=\"288\" srcset=\"https:\/\/blog.infraspeak.com\/wp-content\/uploads\/2020\/05\/Tabela-3-1024x461.jpg 1024w, https:\/\/blog.infraspeak.com\/wp-content\/uploads\/2020\/05\/Tabela-3-300x135.jpg 300w, https:\/\/blog.infraspeak.com\/wp-content\/uploads\/2020\/05\/Tabela-3-768x346.jpg 768w, https:\/\/blog.infraspeak.com\/wp-content\/uploads\/2020\/05\/Tabela-3.jpg 1302w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>O NFC \u2013 near field communication \u2013 \u00e9 um tipo de comunica\u00e7\u00e3o por radiofrequ\u00eancia, \u00e0 semelhan\u00e7a do RFID, e que tem variadas aplica\u00e7\u00f5es, algumas delas fazendo at\u00e9 parte do nosso dia a dia sem que o saibamos. Para percebermos melhor o que \u00e9 o NFC, no entanto, \u00e9 melhor come\u00e7armos por compreender o que \u00e9 [&hellip;]<\/p>\n","protected":false},"author":25,"featured_media":4998,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"content-type":"","footnotes":"","_wp_rev_ctl_limit":""},"categories":[372],"tags":[602],"class_list":["post-4981","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tecnologia","tag-mobilitynow"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>NFC e as potencialidades da tecnologia &#8226; Infraspeak Blog<\/title>\n<meta name=\"description\" content=\"O NFC \u00e9 um tipo de comunica\u00e7\u00e3o por radiofrequ\u00eancia que tem variadas aplica\u00e7\u00f5es, algumas delas fazendo at\u00e9 parte do nosso dia a dia sem que o saibamos.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blog.infraspeak.com\/pt-pt\/nfc-e-as-potencialidades-da-tecnologia\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"NFC e as potencialidades da tecnologia &#8226; 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